<VV> Re: No Capacitor

[Harry Yarnell]

It's an LC circuit, not RC. An RC circuit won't do squat.

Harry Yarnell
Perryman Garage and Orphanage
hyarnell1 at earthlink.net
----- Original Message ----- 
From: <djtcz at comcast.net>
To: <virtualvairs at corvair.org>
Sent: Saturday, June 03, 2006 3:31 PM
Subject: <VV> Re: No Capacitor


> An electrical engineer friend once explained to me that the coil 
> (inductive load) and condensor/capacitor (capacitive load) combine to form 
> an RC circuit.  The result is to boost ~ 12 V to ~ 250 V on the low 
> voltage/primary side of the coil shotrly after the points open. No cap 
> means the coil only would see about 12 Volts, which would mean real low 
> zap to teh plug.  Proof (Touching the little wire terminals of a runing 
> engine with points ignition ) is left to non-believers and terminally 
> curious..
>
> http://www.picotech.com/auto/tutorials/images/fig1-2.png
>
> http://www.picotech.com/auto/tutorials/ignition-primary.html
>
> --
> Dan Timberlake
>
> -------------- Original message -------------- 
>> Message: 7
>> Date: Wed, 31 May 2006 13:42:01 -0700 (PDT)
>> From: Smitty Smith
>> Subject: No Capacitor
>>
>> > That's strange, Harry. I have a distributor running (temporarily) in my
>> > test
>> > engine (on a stand) with no internal capacitor and it works just fine.
>> > The internal capacitor is to prevent (or at least slow down) the 
>> > erosion
>> > of
>> > the points contacts by absorbing the breaking arc.
>> > Regards>
>> --------------------------------------------------- 
>> Smitty says, that is exactly why it is running just fine. It is on a test
>> stand. It will never carry a load.
>>
>>
>>
>>
>> ------------------------------ 
>>
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